| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] [prep] | 38845 |
|
| 2 | still be [vb pp] [prep] | 362 |
|
| 3 | still to be [vb pp] | 344 |
|
| 4 | still to be [prep] | 8 |
|
